The Astro pneumatic 10 piece air buffer kit is ideal for restoring aluminum and magnesium rims, engine parts, motorcycle parts & plastics. The buffer easily removes clear coats from weathered wheels and creates custom looks on parts by giving them a polished or a flat finish. Must use tool at low rpm, 1800 RMP maximum for plastic. All the buffs in this kit have a hex shaped shaft with a quick coupling mechanism. No tools needed to switch buffs. Kit Includes: Variable speed air buffer 3” scuff mushroom shaped buff; 4” scuff mushroom shaped buff; 3” 100% cotton mushroom shaped buff; 4” 100% cotton mushroom shaped buff; 3” 100% cotton tapered buff; 2” 100% cotton drum buff; Brown rouge for aluminum, pewter, pot metals, brass & other mild metals; White rouge for all metals; Blue rouge for headlamp covers & other plastics; Aluminum storage case